#Error occurred while connecting to ssl how to
#Error occurred while connecting to ssl driver
#Error occurred while connecting to ssl code

Note that if you are just trying to connect with TLS 1.0 for a while in order to perform a specific task, then make sure to revert the below changes in order to restore the security level of your systems back to their previous level.

#Error occurred while connecting to ssl driver

Now letвЂ™s jump to the juicy part of this article and see how finally we can resolve the above error and manage to connect to SQL Server using Microsoft OLE DB Driver for SQL Server and TLS 1.0. Read this articleon SQLNetHub to learn more about SQL Server support for TLS versions. However, depending on the version of SQL Server you have, especially in cases of older SQL Server versions, you might need a patch. SQL Server still supportsall TLS protocols, currently from 1.0 to 1.2. If you are in such situation, I have good news, from a technical aspect, it is still possible to do this. One such example, is to try and connect to a SQL Server instance via Microsoft OLE DB Driver for SQL Server using TLS 1.0. However, you may still encounter outdated applications that still need to use this protocol, even for a while for just performing a single operation. ThatвЂ™s why many organizations (if not all) transitioned or are in the process of transitioning to newer versions of TLS such as TLS1.1 or above. TLS 1.0 is considered a deprecated protocol and it is not recommended anymore to be used to secure connections. So, I anticipate that this article, with this title, would help as many people as possible рџ™‚Дrop me a line if you find the article useful and why not, subscribe to my newsletter to stay up to date with future articles! Prior to start writing this article, I was thinking of using a title like вЂњHow to still use TLS 1.0вЂќ, or something similar, but besides the fact that would have given a wrong message, it would not help so much because many people, usually search for such articles using the error message (SSL Security error)вЂ¦ But, I would strongly suggest that you try to not to have SSL errors from the start.This article, suggests a way of resolving the below error message, when you are trying to access SQL Server using вЂњMicrosoft OLE DB Provider for SQL ServerвЂќ and TLS 1.0: SSL Security Error This is a good post that shows the process using makecert and pvk2pfx.Д®DIT: It looks like there might be a way to configure HttpClient to ignore SSL errors. This CA would finally have to be installed on the client machine as a root cert.

If this doesn't work, you need to make a new CA (certificate authority cert) and then generate a new server cert that is signed with the CA.

You might be about to get around this by exporting (without the private key), the self-signed cert and installing it on the client machine as a root cert. This exception message is telling you that the self-signed cert chain is rejected when validating on the client. You do not need to do anything with the client cert settings in IIS (because I assume you are not using a client cert).

#Error occurred while connecting to ssl code

Some browsers are a little more forgiving and give you a 'Red bar', but calling from code will result in a 401 and a rejected call. This error message means that the client does not trust the server cert during the SSL handshake.

#Error occurred while connecting to ssl how to

One question I have is if the client must manually send a public key to the server so it knows how to send back an encrypted response, or if this happens automatically behind the scenes? And second, now after seeing the last error I'm wondering if I also have to do something else within the client to ignore cert warnings and just trust that this cert is OK to proceed with? The remote certificate is invalid according to the validation procedure. The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel. When I change the url to https the following errors are printed: One or more errors occurred.ДЄn error occurred while sending the request. When I run the above code with my http url, it works fine. HttpResponseMessage response = client.GetAsync(urlPathQuery).Result Д¬onsole.WriteLine(().Result) // expecting scalar results onlyД¬onsole.WriteLine(')', (int)response.StatusCode, response.ReasonPhrase) Var urlPathQuery = args.Substring(urlAuthority.Length) Д¬lient.BaseAddress = new Uri(urlAuthority) Var urlAuthority = url.GetLeftPart(UriPartial.Authority) Here's the client code: static void Main(string args)Д¬onsole.WriteLine('Please provide a url, and only a url.') Currently IE, Firefox, and Chrome can all connect to the Web API using both http and https (with cert warnings), so this makes me believe that I should not have to modify anything on the server, just in the client code. I'd like to know how to modify the client code below so that it will work with https.

I have a very basic test client which works fine for http, but does not work for https. Currently the server is using a self-signed cert, and at this moment both http and https are allowed. I have a ASP.NET Web API which I'd like to use with ssl.